Pith Number

pith:LEIIC5DS

pith:2017:LEIIC5DSSGBKLSHUYJX3FZFH6X

not attested not anchored not stored refs pending

Solving (most) of a set of quadratic equalities: Composite optimization for robust phase retrieval

Feng Ruan, John C. Duchi

arxiv:1705.02356 v2 · 2017-05-05 · math.ST · cs.IT · math.IT · math.OC · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LEIIC5DSSGBKLSHUYJX3FZFH6X}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Max-Affine Regression: Provable, Tractable, and Near-Optimal Statistical Estimation

Receipt and verification

First computed	2026-05-18T00:17:54.763829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59108174729182a5c8f4c26fb2e4a7f5e63a695e5e8b00ca6c6f22389e500021

Aliases

arxiv: 1705.02356 · arxiv_version: 1705.02356v2 · doi: 10.48550/arxiv.1705.02356 · pith_short_12: LEIIC5DSSGBK · pith_short_16: LEIIC5DSSGBKLSHU · pith_short_8: LEIIC5DS

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/LEIIC5DSSGBKLSHUYJX3FZFH6X \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 59108174729182a5c8f4c26fb2e4a7f5e63a695e5e8b00ca6c6f22389e500021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ba79e276587706ee8dfbca778432b7100c801eefead866e165e6e4c437fb0fd",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.OC",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2017-05-05T18:21:40Z",
    "title_canon_sha256": "358e4e53ee4a2a54a024bca82f00411d2b5abf71711527adb086cb4956f8bc5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02356",
    "kind": "arxiv",
    "version": 2
  }
}